A team of Earth scientists affiliated with several institutions in France, working with a colleague from Norway, has developed a model to help explain the advent of the Great Ordovician Biodiversification—the largest surge ...
Eurypterids (Arthropoda: Chelicerata), normally known as sea scorpions, are an important extinct group of Paleozoic chelicerate arthropods.
Paleontology & Fossils
May 17, 2023
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74
A new study has revealed that a group of prehistoric sea creatures is not as ancient as we thought—their earliest fossils are actually seaweeds.
Evolution
Mar 8, 2023
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234
A team of Oakland University researchers has published the first complete mitochondrial genome of Diadema antillarum, commonly known as the long-spined sea urchin. The invertebrate marine herbivore inhabits the shallow waters ...
Plants & Animals
Dec 19, 2022
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1
A research project undertaken by the Complutense University of Madrid (UCM) and the Institute of Geoscience (IGEO, CSIC-UCM) identified various marine worms from the Paleozoic era (Ordovician period) 455 million years ago ...
Paleontology & Fossils
Dec 12, 2022
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55
Phosphorus is one of the elements that is crucial for the construction of organisms and their metabolism. Its cycle across the environments is also one of the best understood. However, it occurred to the Czech paleontologists ...
Evolution
Aug 31, 2022
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8
From the beginning of the Ordovician, marine life began its great radiation outward, which was characterized by the rapid appearance of new orders, families, and genera, together with the replacement of existing groups.
Evolution
Jul 18, 2022
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142
We all know that the dinosaurs died in a mass extinction. But did you know that there were other mass extinctions? There are five most significant mass extinctions, known as the "big five," where at least three-quarters of ...
Earth Sciences
Nov 1, 2021
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314
Most groups of modern animals had their beginnings more than half a billion years ago in an amazing evolutionary event known as the Cambrian Explosion.
Paleontology & Fossils
Oct 28, 2021
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24
A new UO study confirms what earth scientists have long suspected: Plants first appeared on land about 460 million years ago, in the middle of a 45-million-year-long geologic period known as the Ordovician.
Earth Sciences
Nov 4, 2020
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